Yoshiaki Kitaya

Effects of organic fertilizers on lettuce cultivation in a high-humidity environment assuming large-scale plant factories with artificial lighting

Motonori Eguchi, Brenda B. Lin, K. Nakamura, Yoshiaki Kitaya

Biological Production and Nitrogen Use Efficiency in a Water-Sharing and Water-Saving System Combining Aquaculture and Vegetable Hydroponic Cultivation

Yoshiaki Kitaya, Yotsuba Shimakawa, Teruo Wada, Kenji Nakamura et autres

Aquaponics, a biological production system that combines land-based aquaculture and hydroponic cultivation of plants, is a water-sharing and water-saving system that is expected to be a sustainable food production system with water and nutrient resource circulation in agricultural and fisheries fields. The …

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Growth of lettuce plants cultivated hydroponically with organic fertilizers under continuous light and high humidity conditions

Motonori Eguchi, Brenda B. Lin, K. Nakamura, Yoshiaki Kitaya

Effects of Temperature, Dissolved Oxygen Concentration, and Photosynthetic Photon Flux Density on the Growth of the Sea Bivalve Tridacna crocea in Combination with the Symbiotic Alga Zooxanthella

Yoshiaki Kitaya, Yasunori Iba, Toshio Shibuya, Atsunori Masuda

The sea bivalve clam Tridacna crocea inhabiting the shallow sea of tropical and subtropical zones lives with the symbiotic alga zooxanthella in its mantle. Zooxanthellae algae perform photosynthesis and supply nutrients to T. crocea. Recently, the abundance of T. crocea has decreased …

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Effects of the red light/far-red light ratio on plant shape, fruit yield, and fruit quality in Fragaria × ananassa Duch. ‘Beni hoppe’

Ryosuke Yamanaka, Teruyo Wada, Hidemitsu Furukawa, Motoaki Tojo et autres

Effects of environmental conditions for inducing flower bud initiation on plant growth and flowering of June-bearing strawberry grown under LED lighting

Takayuki Wada, Motonobu Goto, Hidemitsu Furukawa, Yoshiaki Kitaya et autres

Application of Digestate from a Methane Fermentation Process for Supplying Water and Nutrients in Sweet Potato Cultivation in Sandy Soil

Yoshiaki Kitaya, Siqinbatu, Ryosuke Endo, Toshio Shibuya

To develop technology to efficiently utilize digestate from methane fermentation in agricultural production, the application of digestate from methane fermentation for supplying nutrients in sweet potato cultivation was investigated in sandy soil. Different strengths of diluted digestate with water were applied to …

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A Simple Method for Estimating Stomatal Aperture from Temperature Measurements on Intact Leaves and Wet and Dry Artificial Reference Leaves

Yoshiaki Kitaya, Noboru Ikeda, Ryosuke Endo, Toshio Shibuya

Environmental control in greenhouse horticulture is essential for providing optimal conditions for plant growth and achieving greater productivity and quality. To develop appropriate environmental management practices for greenhouse horticulture through sensing technologies for monitoring the environmental stress responses of plants in real …

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Effects of hypergravity in a centrifuge and simulated microgravity on a horizontal clinostat on tuber formation in single-nodal stem segments from potato (Solanum tuberosum L.) sprouts

Yuto Saeki, Kazuyuki Wakabayashi, Takayuki Hoson, Haruka Sasaki et autres

Tuber formation in potato (Solanum tuberosum L.) under hypergravity conditions in a centrifuge and simulated microgravity (μG) conditions on a horizontal clinostat was studied using in vitro culture of single-nodal stem segments prepared from sprouting tuber shoots. Hypergravity conditions at 100 G …

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Sustainable Balance of Human Activities and Environmental Conservation in Urban Ecosystems

Yoshiaki Kitaya

Environmental Control in Facility-Based Plant Production Systems as Semi-closed Systems

Yoshiaki Kitaya

Controlled Ecological Life Support Systems as Completely Closed Ecosystems in Space

Yoshiaki Kitaya